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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
-
- var _assert = _interopRequireDefault(require("assert"));
-
- var t = _interopRequireWildcard(require("@babel/types"));
-
- var _importBuilder = _interopRequireDefault(require("./import-builder"));
-
- var _isModule = _interopRequireDefault(require("./is-module"));
-
- function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
-
- function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- class ImportInjector {
- constructor(path, importedSource, opts) {
- this._defaultOpts = {
- importedSource: null,
- importedType: "commonjs",
- importedInterop: "babel",
- importingInterop: "babel",
- ensureLiveReference: false,
- ensureNoContext: false
- };
- const programPath = path.find(p => p.isProgram());
- this._programPath = programPath;
- this._programScope = programPath.scope;
- this._hub = programPath.hub;
- this._defaultOpts = this._applyDefaults(importedSource, opts, true);
- }
-
- addDefault(importedSourceIn, opts) {
- return this.addNamed("default", importedSourceIn, opts);
- }
-
- addNamed(importName, importedSourceIn, opts) {
- (0, _assert.default)(typeof importName === "string");
- return this._generateImport(this._applyDefaults(importedSourceIn, opts), importName);
- }
-
- addNamespace(importedSourceIn, opts) {
- return this._generateImport(this._applyDefaults(importedSourceIn, opts), null);
- }
-
- addSideEffect(importedSourceIn, opts) {
- return this._generateImport(this._applyDefaults(importedSourceIn, opts), false);
- }
-
- _applyDefaults(importedSource, opts, isInit = false) {
- const optsList = [];
-
- if (typeof importedSource === "string") {
- optsList.push({
- importedSource
- });
- optsList.push(opts);
- } else {
- (0, _assert.default)(!opts, "Unexpected secondary arguments.");
- optsList.push(importedSource);
- }
-
- const newOpts = Object.assign({}, this._defaultOpts);
-
- for (const opts of optsList) {
- if (!opts) continue;
- Object.keys(newOpts).forEach(key => {
- if (opts[key] !== undefined) newOpts[key] = opts[key];
- });
-
- if (!isInit) {
- if (opts.nameHint !== undefined) newOpts.nameHint = opts.nameHint;
- if (opts.blockHoist !== undefined) newOpts.blockHoist = opts.blockHoist;
- }
- }
-
- return newOpts;
- }
-
- _generateImport(opts, importName) {
- const isDefault = importName === "default";
- const isNamed = !!importName && !isDefault;
- const isNamespace = importName === null;
- const {
- importedSource,
- importedType,
- importedInterop,
- importingInterop,
- ensureLiveReference,
- ensureNoContext,
- nameHint,
- blockHoist
- } = opts;
- let name = nameHint || importName;
- const isMod = (0, _isModule.default)(this._programPath);
- const isModuleForNode = isMod && importingInterop === "node";
- const isModuleForBabel = isMod && importingInterop === "babel";
- const builder = new _importBuilder.default(importedSource, this._programScope, this._hub);
-
- if (importedType === "es6") {
- if (!isModuleForNode && !isModuleForBabel) {
- throw new Error("Cannot import an ES6 module from CommonJS");
- }
-
- builder.import();
-
- if (isNamespace) {
- builder.namespace(nameHint || importedSource);
- } else if (isDefault || isNamed) {
- builder.named(name, importName);
- }
- } else if (importedType !== "commonjs") {
- throw new Error(`Unexpected interopType "${importedType}"`);
- } else if (importedInterop === "babel") {
- if (isModuleForNode) {
- name = name !== "default" ? name : importedSource;
- const es6Default = `${importedSource}$es6Default`;
- builder.import();
-
- if (isNamespace) {
- builder.default(es6Default).var(name || importedSource).wildcardInterop();
- } else if (isDefault) {
- if (ensureLiveReference) {
- builder.default(es6Default).var(name || importedSource).defaultInterop().read("default");
- } else {
- builder.default(es6Default).var(name).defaultInterop().prop(importName);
- }
- } else if (isNamed) {
- builder.default(es6Default).read(importName);
- }
- } else if (isModuleForBabel) {
- builder.import();
-
- if (isNamespace) {
- builder.namespace(name || importedSource);
- } else if (isDefault || isNamed) {
- builder.named(name, importName);
- }
- } else {
- builder.require();
-
- if (isNamespace) {
- builder.var(name || importedSource).wildcardInterop();
- } else if ((isDefault || isNamed) && ensureLiveReference) {
- if (isDefault) {
- name = name !== "default" ? name : importedSource;
- builder.var(name).read(importName);
- builder.defaultInterop();
- } else {
- builder.var(importedSource).read(importName);
- }
- } else if (isDefault) {
- builder.var(name).defaultInterop().prop(importName);
- } else if (isNamed) {
- builder.var(name).prop(importName);
- }
- }
- } else if (importedInterop === "compiled") {
- if (isModuleForNode) {
- builder.import();
-
- if (isNamespace) {
- builder.default(name || importedSource);
- } else if (isDefault || isNamed) {
- builder.default(importedSource).read(name);
- }
- } else if (isModuleForBabel) {
- builder.import();
-
- if (isNamespace) {
- builder.namespace(name || importedSource);
- } else if (isDefault || isNamed) {
- builder.named(name, importName);
- }
- } else {
- builder.require();
-
- if (isNamespace) {
- builder.var(name || importedSource);
- } else if (isDefault || isNamed) {
- if (ensureLiveReference) {
- builder.var(importedSource).read(name);
- } else {
- builder.prop(importName).var(name);
- }
- }
- }
- } else if (importedInterop === "uncompiled") {
- if (isDefault && ensureLiveReference) {
- throw new Error("No live reference for commonjs default");
- }
-
- if (isModuleForNode) {
- builder.import();
-
- if (isNamespace) {
- builder.default(name || importedSource);
- } else if (isDefault) {
- builder.default(name);
- } else if (isNamed) {
- builder.default(importedSource).read(name);
- }
- } else if (isModuleForBabel) {
- builder.import();
-
- if (isNamespace) {
- builder.default(name || importedSource);
- } else if (isDefault) {
- builder.default(name);
- } else if (isNamed) {
- builder.named(name, importName);
- }
- } else {
- builder.require();
-
- if (isNamespace) {
- builder.var(name || importedSource);
- } else if (isDefault) {
- builder.var(name);
- } else if (isNamed) {
- if (ensureLiveReference) {
- builder.var(importedSource).read(name);
- } else {
- builder.var(name).prop(importName);
- }
- }
- }
- } else {
- throw new Error(`Unknown importedInterop "${importedInterop}".`);
- }
-
- const {
- statements,
- resultName
- } = builder.done();
-
- this._insertStatements(statements, blockHoist);
-
- if ((isDefault || isNamed) && ensureNoContext && resultName.type !== "Identifier") {
- return t.sequenceExpression([t.numericLiteral(0), resultName]);
- }
-
- return resultName;
- }
-
- _insertStatements(statements, blockHoist = 3) {
- statements.forEach(node => {
- node._blockHoist = blockHoist;
- });
-
- const targetPath = this._programPath.get("body").find(p => {
- const val = p.node._blockHoist;
- return Number.isFinite(val) && val < 4;
- });
-
- if (targetPath) {
- targetPath.insertBefore(statements);
- } else {
- this._programPath.unshiftContainer("body", statements);
- }
- }
-
- }
-
- exports.default = ImportInjector;
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